/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.markup.html.form.validation;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.FormComponent;
import org.apache.wicket.util.lang.Objects;
/**
* Validates that the input of two form components is identical. Errors are reported on the second
* form component with key 'EqualInputValidator' and the variables:
* <ul>
* <li>${input(n)}: the user's input</li>
* <li>${name}: the name of the component</li>
* <li>${label(n)}: the label of the component - either comes from FormComponent.labelModel or
* resource key [form-id].[form-component-id] in that order</li>
* </ul>
*
* @author Igor Vaynberg (ivaynberg)
*/
public class EqualInputValidator extends AbstractFormValidator
{
/**
*
*/
private static final long serialVersionUID = 1L;
/** form components to be checked. */
private final FormComponent[] components;
/**
* Construct.
*
* @param formComponent1
* a form component
* @param formComponent2
* a form component
*/
public EqualInputValidator(FormComponent formComponent1, FormComponent formComponent2)
{
if (formComponent1 == null)
{
throw new IllegalArgumentException("argument formComponent1 cannot be null");
}
if (formComponent2 == null)
{
throw new IllegalArgumentException("argument formComponent2 cannot be null");
}
components = new FormComponent[] { formComponent1, formComponent2 };
}
/**
* @see org.apache.wicket.markup.html.form.validation.IFormValidator#getDependentFormComponents()
*/
public FormComponent[] getDependentFormComponents()
{
return components;
}
/**
* @see org.apache.wicket.markup.html.form.validation.IFormValidator#validate(org.apache.wicket.markup.html.form.Form)
*/
public void validate(Form form)
{
// we have a choice to validate the type converted values or the raw
// input values, we validate the raw input
final FormComponent formComponent1 = components[0];
final FormComponent formComponent2 = components[1];
if (!Objects.equal(formComponent1.getInput(), formComponent2.getInput()))
{
error(formComponent2);
}
}
}